Reduce number of compile-time warnings

Hi,

I decided to try to fix issue #1658 . Here's my first attempt. 

- fixed most of the `Wrong number of args` warnings
- fixed couple of `Use of undeclared Var` in object.cljs, app.cljs and command.cljs
This file looks good. The circular dependency between `raise` and `raise*` seems like it might be refactorable, but I agree that's outside of the scope of #1658.